diff --git a/manager/src/main/resources/mapper/JobMapper.xml b/manager/src/main/resources/mapper/JobMapper.xml
index bd2f77d..b9e9cbf 100644
--- a/manager/src/main/resources/mapper/JobMapper.xml
+++ b/manager/src/main/resources/mapper/JobMapper.xml
@@ -57,7 +57,7 @@
             r.name AS region_name,
             cat.id AS category_id,
             cat.name AS category_name
-        FROM bg_job j
+        FROM bg_job j force index (`PRIMARY`)
         INNER JOIN bg_company c ON j.company_id = c.id
         INNER JOIN bg_china_regions_code r ON c.region_code = r.code
         INNER JOIN bg_job_category cat ON j.category_id = cat.id